1*47902f36STom Zanussi# system call top 2*47902f36STom Zanussi# (c) 2010, Tom Zanussi <[email protected]> 3*47902f36STom Zanussi# Licensed under the terms of the GNU GPL License version 2 4*47902f36STom Zanussi# 5*47902f36STom Zanussi# Periodically displays system-wide system call totals, broken down by 6*47902f36STom Zanussi# syscall. If a [comm] arg is specified, only syscalls called by 7*47902f36STom Zanussi# [comm] are displayed. If an [interval] arg is specified, the display 8*47902f36STom Zanussi# will be refreshed every [interval] seconds. The default interval is 9*47902f36STom Zanussi# 3 seconds. 10*47902f36STom Zanussi 11*47902f36STom Zanussiimport thread 12*47902f36STom Zanussiimport time 13*47902f36STom Zanussiimport os 14*47902f36STom Zanussiimport sys 15*47902f36STom Zanussi 16*47902f36STom Zanussisys.path.append(os.environ['PERF_EXEC_PATH'] + \ 17*47902f36STom Zanussi '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') 18*47902f36STom Zanussi 19*47902f36STom Zanussifrom perf_trace_context import * 20*47902f36STom Zanussifrom Core import * 21*47902f36STom Zanussifrom Util import * 22*47902f36STom Zanussi 23*47902f36STom Zanussiusage = "perf trace -s syscall-counts.py [comm] [interval]\n"; 24*47902f36STom Zanussi 25*47902f36STom Zanussifor_comm = None 26*47902f36STom Zanussidefault_interval = 3 27*47902f36STom Zanussiinterval = default_interval 28*47902f36STom Zanussi 29*47902f36STom Zanussiif len(sys.argv) > 3: 30*47902f36STom Zanussi sys.exit(usage) 31*47902f36STom Zanussi 32*47902f36STom Zanussiif len(sys.argv) > 2: 33*47902f36STom Zanussi for_comm = sys.argv[1] 34*47902f36STom Zanussi interval = int(sys.argv[2]) 35*47902f36STom Zanussielif len(sys.argv) > 1: 36*47902f36STom Zanussi try: 37*47902f36STom Zanussi interval = int(sys.argv[1]) 38*47902f36STom Zanussi except ValueError: 39*47902f36STom Zanussi for_comm = sys.argv[1] 40*47902f36STom Zanussi interval = default_interval 41*47902f36STom Zanussi 42*47902f36STom Zanussisyscalls = autodict() 43*47902f36STom Zanussi 44*47902f36STom Zanussidef trace_begin(): 45*47902f36STom Zanussi thread.start_new_thread(print_syscall_totals, (interval,)) 46*47902f36STom Zanussi pass 47*47902f36STom Zanussi 48*47902f36STom Zanussidef raw_syscalls__sys_enter(event_name, context, common_cpu, 49*47902f36STom Zanussi common_secs, common_nsecs, common_pid, common_comm, 50*47902f36STom Zanussi id, args): 51*47902f36STom Zanussi if for_comm is not None: 52*47902f36STom Zanussi if common_comm != for_comm: 53*47902f36STom Zanussi return 54*47902f36STom Zanussi try: 55*47902f36STom Zanussi syscalls[id] += 1 56*47902f36STom Zanussi except TypeError: 57*47902f36STom Zanussi syscalls[id] = 1 58*47902f36STom Zanussi 59*47902f36STom Zanussidef print_syscall_totals(interval): 60*47902f36STom Zanussi while 1: 61*47902f36STom Zanussi clear_term() 62*47902f36STom Zanussi if for_comm is not None: 63*47902f36STom Zanussi print "\nsyscall events for %s:\n\n" % (for_comm), 64*47902f36STom Zanussi else: 65*47902f36STom Zanussi print "\nsyscall events:\n\n", 66*47902f36STom Zanussi 67*47902f36STom Zanussi print "%-40s %10s\n" % ("event", "count"), 68*47902f36STom Zanussi print "%-40s %10s\n" % ("----------------------------------------", \ 69*47902f36STom Zanussi "----------"), 70*47902f36STom Zanussi 71*47902f36STom Zanussi for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ 72*47902f36STom Zanussi reverse = True): 73*47902f36STom Zanussi try: 74*47902f36STom Zanussi print "%-40d %10d\n" % (id, val), 75*47902f36STom Zanussi except TypeError: 76*47902f36STom Zanussi pass 77*47902f36STom Zanussi syscalls.clear() 78*47902f36STom Zanussi time.sleep(interval) 79